puts "Add them #{4 + 5}\n\n"
puts 'Add them #{4 + 5}\n\n'

multiline_string = <<EOM
This is a very long string
that contains interpolation
like #{4 + 5} \n\n
EOM

puts multiline_string

first_name = "Derek"
last_name = "Banas"

full_name = first_name + last_name

middle_name = "Jack"

full_name = "#{first_name} #{middle_name} #{last_name}"

puts full_name.include?("Jack")
puts full_name.size

puts "Vowels:" + full_name.count("aeiou").to_s
puts "Consonants:" + full_name.count("^aeiou").to_s

puts full_name.start_with?("Banas")

puts "Index :" + full_name.index("Banas").to_s

puts "a==a" + ("a"=="a").to_s

puts "\"a\".equal?(\"a\"):" + ("a".equal?"a").to_s

puts full_name.upcase
puts full_name.downcase
puts full_name.swapcase

full_name1 = "  " + full_name
puts full_name1.lstrip
full_name2 = full_name + "  "
puts full_name2.rstrip
full_name3 = "  " + full_name + "    "
puts full_name3.strip

puts full_name.rjust(20, '.')
puts full_name.ljust(20, '.')
puts full_name.center(20, '.')

puts full_name.chop
puts full_name.chomp('as')
puts full_name.delete("a")

name_array = full_name.split(//)
puts name_array

name_array = full_name.split(/ /)
puts name_array